Magnetostructural phase transformations in Tb1-xMn2

Junding Zou

doi:10.1039/c4tc02506g

2015-01-01

DOI：10.1039/c4tc02506g

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摘要

En 中文

Magnetism and phase transformations in non-stoichiometric Tb1-xMn2 (x = 0.056, 0.039) have been studied as functions of temperature and magnetic field using magnetization, heat capacity, and X-ray powder diffraction measurements. Upon lowering the temperature, the compounds sequentially order ferrimagnetically and antiferromagnetically, and finally, exhibit spin reorientation transitions. Structural distortions from room temperature cubic to low temperature rhombohedral structures occur at T-N, and are accompanied by large volume changes reaching similar to-1.27% and -1.42%, respectively. First principles electronic structure calculations confirm the phase transformation from the ferrimagnetic cubic structure to the antiferromagnetic rhombohedral structure in TbMn2.

Keyword:

TBMN2 INTERMETALLIC COMPOUND

MN-MOMENT INSTABILITY

RARE-EARTH

MAGNETIC-PROPERTIES

RMN2 COMPOUNDS

LAVES PHASES

X-RAY

TRANSITION

FIELD

YMN2

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对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。

期刊

Journal of Materials Chemistry C

IF:

5.1

论文数:

2.0W

被引数:

8.0W

机构

Iowa State University

学者数:

2.1W

论文数: 1.8W

被引数: 2.5W

zhejiang university

学者数:

17.7W

论文数: 12.1W

被引数: 152

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